/*
 *  Copyright (c) 2019 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#ifndef MODULES_AUDIO_PROCESSING_NS_PRIOR_SIGNAL_MODEL_ESTIMATOR_H_
#define MODULES_AUDIO_PROCESSING_NS_PRIOR_SIGNAL_MODEL_ESTIMATOR_H_

#include "histograms.h"
#include "prior_signal_model.h"

namespace webrtc {

// Estimator of the prior signal model parameters.
    class PriorSignalModelEstimator {
    public:
        explicit PriorSignalModelEstimator(float lrt_initial_value);

        PriorSignalModelEstimator(const PriorSignalModelEstimator &) = delete;

        PriorSignalModelEstimator &operator=(const PriorSignalModelEstimator &) =
        delete;

        // Updates the model estimate.
        void Update(const Histograms &h);

        // Returns the estimated model.
        const PriorSignalModel &get_prior_model() const { return prior_model_; }

    private:
        PriorSignalModel prior_model_;
    };

}  // namespace webrtc

#endif  // MODULES_AUDIO_PROCESSING_NS_PRIOR_SIGNAL_MODEL_ESTIMATOR_H_
